如图,已知
平分
,
平分
.
,求
的度数;
(2)如图②
,如果
,那么
是多少度?
(3)如图②
,如果
,那么
是多少度?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e7b8a59f8d66176463f3d71f882a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9f91270ddbe1cf3c1362e1b95aee14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ccc37b189fa2cbc269ca0b233dac37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2557547eecdc826b8282058802d217.png)
(2)如图②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3d3c378b1118d331d30b63fc587b270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e356f6ee78681e976e92db48efa2e357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418ebb89d29f4f631b055c911e8d178a.png)
(3)如图②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3d3c378b1118d331d30b63fc587b270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f674b310e07b2f994e7a7da207d8fdd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418ebb89d29f4f631b055c911e8d178a.png)
更新时间:2024-05-20 23:58:47
|
相似题推荐
解答题-问答题
|
较易
(0.85)
【推荐1】如图1所示的图形,像我们常见的学习用品——圆规.我们不妨把这样图形叫做“规形图”,请发挥你的聪明才智,解决以下问题:
![](https://img.xkw.com/dksih/QBM/2022/12/9/3126906295967744/3128601117761536/STEM/4606dc0310a7429a86eaf660c2158608.png?resizew=402)
(1)观察“规形图”,试探究
与
之间的关系,并说明理由;
(2)请你直接利用以上结论,解决以下问题:
①如图2,把一块三角尺
放置在
上,使三角尺的两条直角边
恰好经过点B,C,若
,直接写出
的结果;
②如图3,
平分
平分
,若
,求
的度数.
![](https://img.xkw.com/dksih/QBM/2022/12/9/3126906295967744/3128601117761536/STEM/4606dc0310a7429a86eaf660c2158608.png?resizew=402)
(1)观察“规形图”,试探究
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a72dfbf0138a611174c36ce077e0c47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/387916da93afb50607b82f309ea9bec4.png)
(2)请你直接利用以上结论,解决以下问题:
①如图2,把一块三角尺
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef66d65f90d1885d0bf2454d094a50b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1881ec772075095cf1cf51ccd12df6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d777d15cd733338ecfd0ea63819f62c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00fd73946f2a36ecc5591c27b4c3e355.png)
②如图3,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34a7986243bb26b564405bceb7947ff6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a55a1a244f81097e05e715b69580faa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/523e1c1611d9e7c304065500540d8f87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1384d0a02d097ac7aa8a19e8da6f9767.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】如图,已知点
为直线
上一点,
平分
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/26/739defd2-76ae-4841-adff-3b53791a9da8.png?resizew=238)
(1)若
,求
的度数;
(2)若
,
与
是否相等?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ead7e278e90ea5ad85836cfc825af210.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/26/739defd2-76ae-4841-adff-3b53791a9da8.png?resizew=238)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1dd3c503ff0b4e68f035709e34bc63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778d3556c2454a733a15629af5c2444f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb1621f2b3686220a3bce8c0ab15a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418ebb89d29f4f631b055c911e8d178a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbee6d5731d6f4bb1e4f2ba3d89b7dc.png)
您最近一年使用:0次